Portable terminal device

Details Portable terminal device Portable terminal device

1991-07-30

1993-07-13

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

235441, 364708, 439 59, G06K 500

Patent

active

052276155

ABSTRACT:
A portable terminal device includes a printed wiring board having two main sides, a first interface for a first information data exchanging card disposed on one of the two main sides of the printed wiring board, and a second interface for a second information data exchanging card disposed on the other side of the two main sides of the printed wiring board. The first and second cards can be installed on both sides of the printed wiring board in parallel to each other sandwiching the printed wiring board.

REFERENCES:
patent: 4683550 (1987-07-01), Jindrick et al.
patent: 4705211 (1987-11-01), Honda et al.
patent: 4719338 (1988-01-01), Avery et al.
patent: 4774399 (1988-09-01), Fujita et al.
patent: 4872091 (1989-10-01), Maniwa et al.
patent: 5043562 (1991-08-01), Hautvast et al.
patent: 5093862 (1992-03-01), Scartz
R. S. Carter et al, High Performance Parallel Planar Package, IBM Technical Disclosure Bulletin vol. 21 No. 3, Aug. 1978 pp. 1137-1138.

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